IL142968A0 - Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration - Google Patents

Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration

Info

Publication number
IL142968A0
IL142968A0 IL14296899A IL14296899A IL142968A0 IL 142968 A0 IL142968 A0 IL 142968A0 IL 14296899 A IL14296899 A IL 14296899A IL 14296899 A IL14296899 A IL 14296899A IL 142968 A0 IL142968 A0 IL 142968A0
Authority
IL
Israel
Prior art keywords
liquid
discharge
salts
permeate
membrane filtration
Prior art date
Application number
IL14296899A
Original Assignee
Dhv Water Bv
Waterleiding Friesland Nv
Stork Friesland Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dhv Water Bv, Waterleiding Friesland Nv, Stork Friesland Bv filed Critical Dhv Water Bv
Publication of IL142968A0 publication Critical patent/IL142968A0/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/18—Use of gases
    • B01D2321/185—Aeration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A membrane filtration for removing floating substances and salts from a liquid, uses vertically positioned capillary or tube membranes which are suitable for performing nano or hyper-filtration. Repeatedly and consecutively the following steps are performed: a) a permeate is produced without discharge of concentrate for a predetermined period of time; b) then a gas, for example air, is guided along side the membrane, at least almost without discharge of permeate and without discharge of concentrate; c) and finally a concentrate is discharged without discharge of permeate. During step a) and step c) use can be made of a combined supply of liquid and gas. An apparatus for performing this method is described as well.
IL14296899A 1998-11-13 1999-11-12 Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration IL142968A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1010544A NL1010544C2 (en) 1998-11-13 1998-11-13 Method and device for removing suspended matter and salts from a liquid by means of membrane filtration.
PCT/NL1999/000696 WO2000029099A1 (en) 1998-11-13 1999-11-12 Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration

Publications (1)

Publication Number Publication Date
IL142968A0 true IL142968A0 (en) 2002-04-21

Family

ID=19768130

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14296899A IL142968A0 (en) 1998-11-13 1999-11-12 Method and apparatus for removing floating substances and salts from a liquid by means of a membrane filtration

Country Status (14)

Country Link
US (1) US6576136B1 (en)
EP (1) EP1133347B1 (en)
JP (1) JP2002529239A (en)
CN (1) CN1114468C (en)
AT (1) ATE239541T1 (en)
AU (1) AU760682B2 (en)
CA (1) CA2349661A1 (en)
DE (1) DE69907722T2 (en)
ES (1) ES2199597T3 (en)
IL (1) IL142968A0 (en)
NL (1) NL1010544C2 (en)
PT (1) PT1133347E (en)
WO (1) WO2000029099A1 (en)
ZA (1) ZA200103496B (en)

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NL1019130C2 (en) * 2001-10-08 2003-04-09 Waterleiding Mij Overijssel N Method and device for purifying surface water.
AU2003209917A1 (en) * 2002-04-03 2003-10-13 Bucher-Guyer Ag Cross-flow filtration system and operation method therefor
WO2003084650A1 (en) * 2002-04-10 2003-10-16 Bucher-Guyer Ag Cross-flow filtration installation
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JP4282598B2 (en) * 2002-10-10 2009-06-24 シーメンス・ウォーター・テクノロジーズ・コーポレーション Filtration device and method for cleaning the filtration device
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EP1677898B1 (en) 2003-08-29 2016-03-09 Evoqua Water Technologies LLC Backwash
WO2005046849A1 (en) 2003-11-14 2005-05-26 U.S. Filter Wastewater Group, Inc. Improved module cleaning method
US8758621B2 (en) 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
EP1747058A4 (en) 2004-04-22 2009-09-30 Siemens Water Tech Corp Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
WO2006017911A1 (en) 2004-08-20 2006-02-23 Siemens Water Technologies Corp. Square mbr manifolding system
AU2005282211B2 (en) 2004-09-07 2011-04-21 Evoqua Water Technologies Llc Reduction of backwash liquid waste
CN101039739B (en) 2004-09-14 2014-10-08 伊沃夸水处理技术有限责任公司 Methods and apparatus for removing solids from a membrane module
CA2579894A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
US8758622B2 (en) 2004-12-24 2014-06-24 Evoqua Water Technologies Llc Simple gas scouring method and apparatus
EP2394731A1 (en) 2004-12-24 2011-12-14 Siemens Industry, Inc. Cleaning in membrane filtration systems
US7807275B2 (en) 2005-04-21 2010-10-05 Universal Display Corporation Non-blocked phosphorescent OLEDs
EP1885475B1 (en) 2005-04-29 2015-03-25 Evoqua Water Technologies LLC Chemical clean for membrane filter
CA2614676C (en) 2005-07-12 2014-02-25 Zenon Technology Partnership Process control for an immersed membrane system
SG164499A1 (en) 2005-08-22 2010-09-29 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
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CA2682707C (en) 2007-04-02 2014-07-15 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US7459083B1 (en) 2007-05-07 2008-12-02 I. Kruger Inc. Method for controlling fouling of a membrane filter
KR101402291B1 (en) 2007-05-29 2014-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 Membrane cleaning with pulsed airlift pump
WO2010009518A1 (en) 2008-07-24 2010-01-28 Siemens Water Technologies Corp. Frame system for membrane filtration modules
DE102008037118B4 (en) * 2008-08-08 2012-10-04 Vws Deutschland Gmbh Process and apparatus for treating water using nanofiltration
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
AU2010257526A1 (en) 2009-06-11 2012-01-12 Siemens Industry, Inc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
AU2011245709B2 (en) 2010-04-30 2015-06-11 Evoqua Water Technologies Llc Fluid flow distribution device
CN103118766B (en) 2010-09-24 2016-04-13 伊沃夸水处理技术有限责任公司 The fluid of membrane filtration system controls manifold
WO2013048801A1 (en) 2011-09-30 2013-04-04 Siemens Industry, Inc. Improved manifold arrangement
HUE058060T2 (en) 2011-09-30 2022-07-28 Rohm & Haas Electronic Mat Isolation valve
EP2866922B1 (en) 2012-06-28 2018-03-07 Evoqua Water Technologies LLC A potting method
AU2013324056B2 (en) 2012-09-26 2017-11-16 Evoqua Water Technologies Llc Membrane securement device
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
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Also Published As

Publication number Publication date
CA2349661A1 (en) 2000-05-25
WO2000029099A1 (en) 2000-05-25
AU760682B2 (en) 2003-05-22
ES2199597T3 (en) 2004-02-16
AU1297000A (en) 2000-06-05
DE69907722D1 (en) 2003-06-12
US6576136B1 (en) 2003-06-10
CN1326377A (en) 2001-12-12
CN1114468C (en) 2003-07-16
ATE239541T1 (en) 2003-05-15
DE69907722T2 (en) 2004-03-18
EP1133347B1 (en) 2003-05-07
NL1010544C2 (en) 2000-05-16
PT1133347E (en) 2003-09-30
ZA200103496B (en) 2002-07-30
JP2002529239A (en) 2002-09-10
EP1133347A1 (en) 2001-09-19

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